Stale IAAS policy attachment to role

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Id	ccdf3f87-7890-4549-9d0f-8f43c1d2751d
Rulename	Stale IAAS policy attachment to role
Description	The rule detects ‘IaaS policies’ attached to a role that has not used them during the past X days. It is recommended to remove unused policies from identities to reduce risk.
Severity	Informational
Tactics	PrivilegeEscalation Persistence
Techniques	T1098
Required data connectors	Authomize
Kind	Scheduled
Query frequency	30m
Query period	30m
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Authomize/Analytic Rules/Stale_IAAS_policy_attachment_to_role.yaml
Version	1.0.3
Arm template	ccdf3f87-7890-4549-9d0f-8f43c1d2751d.json

KQL

Authomize_v2_CL
| where ingestion_time() >= ago(30m)
| extend EventID = id_s, Policy = policy_name_s, Severity = severity_s,Description = description_s,Recommendation = recommendation_s,URL = url_s,Tactics = tactics_s
| where Policy has "Stale IAAS policy attachment to role"
| project  EventID, Policy, Severity, Description, Recommendation, URL, Category, Tactics

YAML

queryFrequency: 30m
status: Available
queryPeriod: 30m
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    groupByEntities: []
    lookbackDuration: 5h
    enabled: true
    matchingMethod: AnyAlert
    groupByAlertDetails: []
    reopenClosedIncident: false
    groupByCustomDetails: []
relevantTechniques:
- T1098
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Authomize/Analytic Rules/Stale_IAAS_policy_attachment_to_role.yaml
name: Stale IAAS policy attachment to role
alertDetailsOverride:
  alertnameFormat: Alert from Authomize - Stale IAAS policy attachment to role
  alertDynamicProperties:
  - alertProperty: AlertLink
    value: URL
  alertSeverity: Severity
  alertTactics: Tactics
  alertDescriptionFormat: Stale IAAS policy attachment to role. The rule detects 'IaaS policies' attached to a role that has not used them during the past X days.It is recommended to remove unused policies from identities to reduce risk.
severity: Informational
tactics:
- PrivilegeEscalation
- Persistence
suppressionEnabled: false
version: 1.0.3
requiredDataConnectors:
- dataTypes:
  - Authomize_v2_CL
  connectorId: Authomize
triggerOperator: gt
suppressionDuration: 5h
customDetails:
  EventDescription: Description
  ReferencedURL: URL
  EventRecommendation: Recommendation
  EventName: Policy
  AuthomizeEventID: EventID
id: ccdf3f87-7890-4549-9d0f-8f43c1d2751d
eventGroupingSettings:
  aggregationKind: SingleAlert
entityMappings:
- entityType: URL
  fieldMappings:
  - identifier: Url
    columnName: URL
triggerThreshold: 0
query: |-
  Authomize_v2_CL
  | where ingestion_time() >= ago(30m)
  | extend EventID = id_s, Policy = policy_name_s, Severity = severity_s,Description = description_s,Recommendation = recommendation_s,URL = url_s,Tactics = tactics_s
  | where Policy has "Stale IAAS policy attachment to role"
  | project  EventID, Policy, Severity, Description, Recommendation, URL, Category, Tactics  
kind: Scheduled
description: The rule detects 'IaaS policies' attached to a role that has not used them during the past X days. It is recommended to remove unused policies from identities to reduce risk.

ARM